/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:20:25,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:20:25,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:20:25,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:20:25,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:20:25,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:20:25,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:20:25,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:20:25,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:20:25,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:20:25,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:20:25,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:20:25,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:20:25,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:20:25,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:20:25,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:20:25,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:20:25,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:20:25,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:20:25,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:20:25,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:20:25,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:20:25,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:20:25,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:20:25,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:20:25,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:20:25,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:20:25,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:20:25,115 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:20:25,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:20:25,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:20:25,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:20:25,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:20:25,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:20:25,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:20:25,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:20:25,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:20:25,146 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:20:25,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:20:25,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:20:25,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:20:25,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:20:25,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:20:25,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:20:25,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:20:25,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:20:25,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:20:25,148 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:20:25,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:20:25,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:20:25,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:20:25,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:20:25,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:20:25,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:20:25,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:20:25,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:20:25,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:20:25,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:20:25,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:20:25,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:20:25,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:20:25,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:20:25,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:20:25,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:20:25,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:20:25,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:20:25,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:20:25,610 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:20:25,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-10-16 15:20:25,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa56aadb/44e8f134aaf641a1ba0190ad9c0425a5/FLAGd12ddcf5b [2022-10-16 15:20:26,429 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:20:26,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-10-16 15:20:26,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa56aadb/44e8f134aaf641a1ba0190ad9c0425a5/FLAGd12ddcf5b [2022-10-16 15:20:26,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa56aadb/44e8f134aaf641a1ba0190ad9c0425a5 [2022-10-16 15:20:26,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:20:26,766 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:20:26,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:20:26,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:20:26,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:20:26,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:20:26" (1/1) ... [2022-10-16 15:20:26,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eadb58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:26, skipping insertion in model container [2022-10-16 15:20:26,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:20:26" (1/1) ... [2022-10-16 15:20:26,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:20:26,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:20:27,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2022-10-16 15:20:27,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:20:27,297 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:20:27,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2022-10-16 15:20:27,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:20:27,393 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:20:27,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27 WrapperNode [2022-10-16 15:20:27,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:20:27,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:20:27,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:20:27,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:20:27,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,477 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 570 [2022-10-16 15:20:27,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:20:27,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:20:27,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:20:27,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:20:27,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:20:27,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:20:27,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:20:27,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:20:27,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (1/1) ... [2022-10-16 15:20:27,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:20:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:20:27,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:20:27,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:20:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:20:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:20:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:20:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:20:27,836 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:20:27,839 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:20:28,861 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:20:28,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:20:28,881 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:20:28,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:20:28 BoogieIcfgContainer [2022-10-16 15:20:28,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:20:28,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:20:28,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:20:28,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:20:28,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:20:26" (1/3) ... [2022-10-16 15:20:28,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9deb497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:20:28, skipping insertion in model container [2022-10-16 15:20:28,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:20:27" (2/3) ... [2022-10-16 15:20:28,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9deb497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:20:28, skipping insertion in model container [2022-10-16 15:20:28,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:20:28" (3/3) ... [2022-10-16 15:20:28,927 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-10-16 15:20:28,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:20:28,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 15:20:29,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:20:29,134 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@395e3ebf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:20:29,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 15:20:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 191 states have (on average 1.8167539267015707) internal successors, (347), 237 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:20:29,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:29,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:29,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:29,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2004239314, now seen corresponding path program 1 times [2022-10-16 15:20:29,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:29,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253720942] [2022-10-16 15:20:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:29,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:29,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:29,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253720942] [2022-10-16 15:20:29,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253720942] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:29,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:29,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:20:29,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154461792] [2022-10-16 15:20:29,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:29,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:20:29,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:29,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:20:29,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:20:29,569 INFO L87 Difference]: Start difference. First operand has 238 states, 191 states have (on average 1.8167539267015707) internal successors, (347), 237 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:29,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:29,620 INFO L93 Difference]: Finished difference Result 410 states and 566 transitions. [2022-10-16 15:20:29,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:20:29,626 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 15:20:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:29,650 INFO L225 Difference]: With dead ends: 410 [2022-10-16 15:20:29,650 INFO L226 Difference]: Without dead ends: 233 [2022-10-16 15:20:29,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:20:29,662 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:29,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:29,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-10-16 15:20:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2022-10-16 15:20:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 187 states have (on average 1.8128342245989304) internal successors, (339), 232 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 339 transitions. [2022-10-16 15:20:29,768 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 339 transitions. Word has length 10 [2022-10-16 15:20:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:29,769 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 339 transitions. [2022-10-16 15:20:29,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 339 transitions. [2022-10-16 15:20:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:20:29,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:29,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:29,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:20:29,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:29,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:29,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2006086356, now seen corresponding path program 1 times [2022-10-16 15:20:29,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:29,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101711294] [2022-10-16 15:20:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:29,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:30,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:30,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101711294] [2022-10-16 15:20:30,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101711294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:30,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:30,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:30,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153007606] [2022-10-16 15:20:30,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:30,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:30,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:30,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:30,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:30,118 INFO L87 Difference]: Start difference. First operand 233 states and 339 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:30,245 INFO L93 Difference]: Finished difference Result 403 states and 554 transitions. [2022-10-16 15:20:30,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:30,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 15:20:30,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:30,252 INFO L225 Difference]: With dead ends: 403 [2022-10-16 15:20:30,252 INFO L226 Difference]: Without dead ends: 233 [2022-10-16 15:20:30,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:30,259 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 3 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:30,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1284 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:20:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-10-16 15:20:30,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2022-10-16 15:20:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 187 states have (on average 1.4866310160427807) internal successors, (278), 232 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 278 transitions. [2022-10-16 15:20:30,286 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 278 transitions. Word has length 10 [2022-10-16 15:20:30,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:30,287 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 278 transitions. [2022-10-16 15:20:30,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 278 transitions. [2022-10-16 15:20:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:20:30,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:30,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:30,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:20:30,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:30,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:30,295 INFO L85 PathProgramCache]: Analyzing trace with hash -151645468, now seen corresponding path program 1 times [2022-10-16 15:20:30,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:30,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408744643] [2022-10-16 15:20:30,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:30,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:30,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:30,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408744643] [2022-10-16 15:20:30,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408744643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:30,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:30,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:30,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76994501] [2022-10-16 15:20:30,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:30,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:30,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:30,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:30,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:30,590 INFO L87 Difference]: Start difference. First operand 233 states and 278 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:30,622 INFO L93 Difference]: Finished difference Result 555 states and 686 transitions. [2022-10-16 15:20:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:30,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:20:30,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:30,629 INFO L225 Difference]: With dead ends: 555 [2022-10-16 15:20:30,629 INFO L226 Difference]: Without dead ends: 389 [2022-10-16 15:20:30,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:30,632 INFO L413 NwaCegarLoop]: 471 mSDtfsCounter, 197 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:30,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 680 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:30,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-16 15:20:30,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 345. [2022-10-16 15:20:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 299 states have (on average 1.585284280936455) internal successors, (474), 344 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 474 transitions. [2022-10-16 15:20:30,655 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 474 transitions. Word has length 70 [2022-10-16 15:20:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:30,655 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 474 transitions. [2022-10-16 15:20:30,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 474 transitions. [2022-10-16 15:20:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:30,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:30,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:30,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:20:30,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:30,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:30,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1555559557, now seen corresponding path program 1 times [2022-10-16 15:20:30,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:30,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191333091] [2022-10-16 15:20:30,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:30,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:30,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191333091] [2022-10-16 15:20:30,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191333091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:30,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:30,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:30,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747758832] [2022-10-16 15:20:30,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:30,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:30,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:30,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:30,871 INFO L87 Difference]: Start difference. First operand 345 states and 474 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:30,912 INFO L93 Difference]: Finished difference Result 889 states and 1268 transitions. [2022-10-16 15:20:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:30,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:30,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:30,917 INFO L225 Difference]: With dead ends: 889 [2022-10-16 15:20:30,917 INFO L226 Difference]: Without dead ends: 611 [2022-10-16 15:20:30,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:30,919 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 197 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:30,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 683 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-10-16 15:20:30,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 565. [2022-10-16 15:20:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 519 states have (on average 1.6551059730250481) internal successors, (859), 564 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 859 transitions. [2022-10-16 15:20:30,949 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 859 transitions. Word has length 101 [2022-10-16 15:20:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:30,950 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 859 transitions. [2022-10-16 15:20:30,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 859 transitions. [2022-10-16 15:20:30,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:30,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:30,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:30,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:20:30,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:30,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1997975537, now seen corresponding path program 1 times [2022-10-16 15:20:30,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:30,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301223569] [2022-10-16 15:20:30,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:31,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:31,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301223569] [2022-10-16 15:20:31,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301223569] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:31,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:31,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:31,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382918278] [2022-10-16 15:20:31,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:31,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:31,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:31,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:31,137 INFO L87 Difference]: Start difference. First operand 565 states and 859 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:31,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:31,192 INFO L93 Difference]: Finished difference Result 1537 states and 2403 transitions. [2022-10-16 15:20:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:31,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:31,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:31,200 INFO L225 Difference]: With dead ends: 1537 [2022-10-16 15:20:31,200 INFO L226 Difference]: Without dead ends: 1039 [2022-10-16 15:20:31,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:31,203 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 177 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:31,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 646 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:31,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2022-10-16 15:20:31,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 993. [2022-10-16 15:20:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 947 states have (on average 1.6969376979936641) internal successors, (1607), 992 states have internal predecessors, (1607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1607 transitions. [2022-10-16 15:20:31,249 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1607 transitions. Word has length 101 [2022-10-16 15:20:31,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:31,250 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1607 transitions. [2022-10-16 15:20:31,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1607 transitions. [2022-10-16 15:20:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:31,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:31,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:31,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:20:31,253 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1079006361, now seen corresponding path program 1 times [2022-10-16 15:20:31,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:31,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170509544] [2022-10-16 15:20:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:31,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:31,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170509544] [2022-10-16 15:20:31,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170509544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:31,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:31,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:31,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796396963] [2022-10-16 15:20:31,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:31,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:31,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:31,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:31,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:31,399 INFO L87 Difference]: Start difference. First operand 993 states and 1607 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:31,478 INFO L93 Difference]: Finished difference Result 2797 states and 4607 transitions. [2022-10-16 15:20:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:31,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:31,490 INFO L225 Difference]: With dead ends: 2797 [2022-10-16 15:20:31,491 INFO L226 Difference]: Without dead ends: 1871 [2022-10-16 15:20:31,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:31,494 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 173 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:31,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 645 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2022-10-16 15:20:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1825. [2022-10-16 15:20:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1779 states have (on average 1.719505340078696) internal successors, (3059), 1824 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 3059 transitions. [2022-10-16 15:20:31,583 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 3059 transitions. Word has length 101 [2022-10-16 15:20:31,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:31,584 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 3059 transitions. [2022-10-16 15:20:31,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 3059 transitions. [2022-10-16 15:20:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:20:31,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:31,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:31,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:20:31,586 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:31,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:31,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1060318755, now seen corresponding path program 1 times [2022-10-16 15:20:31,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:31,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172372204] [2022-10-16 15:20:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:31,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:31,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:31,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172372204] [2022-10-16 15:20:31,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172372204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:31,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:31,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:31,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107175655] [2022-10-16 15:20:31,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:31,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:20:31,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:31,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:20:31,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:20:31,776 INFO L87 Difference]: Start difference. First operand 1825 states and 3059 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:32,282 INFO L93 Difference]: Finished difference Result 5338 states and 9043 transitions. [2022-10-16 15:20:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:20:32,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 15:20:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:32,313 INFO L225 Difference]: With dead ends: 5338 [2022-10-16 15:20:32,313 INFO L226 Difference]: Without dead ends: 5335 [2022-10-16 15:20:32,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:32,317 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 649 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:32,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 446 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:20:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5335 states. [2022-10-16 15:20:32,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5335 to 3537. [2022-10-16 15:20:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 3491 states have (on average 1.7195645946720137) internal successors, (6003), 3536 states have internal predecessors, (6003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 6003 transitions. [2022-10-16 15:20:32,553 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 6003 transitions. Word has length 101 [2022-10-16 15:20:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:32,554 INFO L495 AbstractCegarLoop]: Abstraction has 3537 states and 6003 transitions. [2022-10-16 15:20:32,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 6003 transitions. [2022-10-16 15:20:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 15:20:32,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:32,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:32,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:20:32,557 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:32,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1489857652, now seen corresponding path program 1 times [2022-10-16 15:20:32,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:32,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878172094] [2022-10-16 15:20:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:32,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:32,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:32,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878172094] [2022-10-16 15:20:32,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878172094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:32,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:32,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:32,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697970195] [2022-10-16 15:20:32,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:32,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:20:32,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:32,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:20:32,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:20:32,735 INFO L87 Difference]: Start difference. First operand 3537 states and 6003 transitions. Second operand has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:33,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:33,217 INFO L93 Difference]: Finished difference Result 5292 states and 8995 transitions. [2022-10-16 15:20:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:20:33,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 15:20:33,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:33,248 INFO L225 Difference]: With dead ends: 5292 [2022-10-16 15:20:33,248 INFO L226 Difference]: Without dead ends: 5289 [2022-10-16 15:20:33,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:33,252 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 648 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:33,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 314 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:20:33,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2022-10-16 15:20:33,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 5249. [2022-10-16 15:20:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5249 states, 5203 states have (on average 1.7103594080338267) internal successors, (8899), 5248 states have internal predecessors, (8899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 5249 states and 8899 transitions. [2022-10-16 15:20:33,555 INFO L78 Accepts]: Start accepts. Automaton has 5249 states and 8899 transitions. Word has length 102 [2022-10-16 15:20:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:33,555 INFO L495 AbstractCegarLoop]: Abstraction has 5249 states and 8899 transitions. [2022-10-16 15:20:33,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 8899 transitions. [2022-10-16 15:20:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 15:20:33,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:33,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:33,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:20:33,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:33,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1059052353, now seen corresponding path program 1 times [2022-10-16 15:20:33,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:33,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119535360] [2022-10-16 15:20:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:33,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:33,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119535360] [2022-10-16 15:20:33,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119535360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:33,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:33,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:33,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737833648] [2022-10-16 15:20:33,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:33,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:33,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:33,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:33,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:33,779 INFO L87 Difference]: Start difference. First operand 5249 states and 8899 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:34,529 INFO L93 Difference]: Finished difference Result 8793 states and 14739 transitions. [2022-10-16 15:20:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:20:34,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-16 15:20:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:34,578 INFO L225 Difference]: With dead ends: 8793 [2022-10-16 15:20:34,578 INFO L226 Difference]: Without dead ends: 8790 [2022-10-16 15:20:34,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:20:34,581 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1280 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:34,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 588 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:34,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8790 states. [2022-10-16 15:20:34,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8790 to 6961. [2022-10-16 15:20:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6961 states, 6915 states have (on average 1.6987707881417209) internal successors, (11747), 6960 states have internal predecessors, (11747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:35,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6961 states to 6961 states and 11747 transitions. [2022-10-16 15:20:35,000 INFO L78 Accepts]: Start accepts. Automaton has 6961 states and 11747 transitions. Word has length 103 [2022-10-16 15:20:35,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:35,001 INFO L495 AbstractCegarLoop]: Abstraction has 6961 states and 11747 transitions. [2022-10-16 15:20:35,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 6961 states and 11747 transitions. [2022-10-16 15:20:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 15:20:35,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:35,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:35,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:20:35,003 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:35,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:35,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1529116118, now seen corresponding path program 1 times [2022-10-16 15:20:35,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:35,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91148567] [2022-10-16 15:20:35,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:35,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:35,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:35,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91148567] [2022-10-16 15:20:35,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91148567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:35,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:35,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:20:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619983732] [2022-10-16 15:20:35,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:35,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:20:35,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:35,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:20:35,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:20:35,235 INFO L87 Difference]: Start difference. First operand 6961 states and 11747 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:35,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:35,946 INFO L93 Difference]: Finished difference Result 8753 states and 14691 transitions. [2022-10-16 15:20:35,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:20:35,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 15:20:35,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:35,973 INFO L225 Difference]: With dead ends: 8753 [2022-10-16 15:20:35,973 INFO L226 Difference]: Without dead ends: 8750 [2022-10-16 15:20:35,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:20:35,978 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1291 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:35,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 452 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:20:35,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8750 states. [2022-10-16 15:20:36,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8750 to 8673. [2022-10-16 15:20:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8673 states, 8627 states have (on average 1.686217688651907) internal successors, (14547), 8672 states have internal predecessors, (14547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8673 states to 8673 states and 14547 transitions. [2022-10-16 15:20:36,525 INFO L78 Accepts]: Start accepts. Automaton has 8673 states and 14547 transitions. Word has length 104 [2022-10-16 15:20:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:36,525 INFO L495 AbstractCegarLoop]: Abstraction has 8673 states and 14547 transitions. [2022-10-16 15:20:36,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 8673 states and 14547 transitions. [2022-10-16 15:20:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:20:36,528 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:36,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:36,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:20:36,529 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:36,529 INFO L85 PathProgramCache]: Analyzing trace with hash 157960097, now seen corresponding path program 1 times [2022-10-16 15:20:36,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:36,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906475590] [2022-10-16 15:20:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:36,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:36,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:36,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906475590] [2022-10-16 15:20:36,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906475590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:36,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:36,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:36,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127396661] [2022-10-16 15:20:36,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:36,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:36,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:36,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:36,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:36,736 INFO L87 Difference]: Start difference. First operand 8673 states and 14547 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:37,761 INFO L93 Difference]: Finished difference Result 13954 states and 23187 transitions. [2022-10-16 15:20:37,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:20:37,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:20:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:37,800 INFO L225 Difference]: With dead ends: 13954 [2022-10-16 15:20:37,800 INFO L226 Difference]: Without dead ends: 13951 [2022-10-16 15:20:37,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:20:37,807 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 2049 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:37,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 741 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:20:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13951 states. [2022-10-16 15:20:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13951 to 10385. [2022-10-16 15:20:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10385 states, 10339 states have (on average 1.6731792242963537) internal successors, (17299), 10384 states have internal predecessors, (17299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10385 states to 10385 states and 17299 transitions. [2022-10-16 15:20:38,411 INFO L78 Accepts]: Start accepts. Automaton has 10385 states and 17299 transitions. Word has length 105 [2022-10-16 15:20:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:38,411 INFO L495 AbstractCegarLoop]: Abstraction has 10385 states and 17299 transitions. [2022-10-16 15:20:38,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 10385 states and 17299 transitions. [2022-10-16 15:20:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:20:38,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:38,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:38,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:20:38,414 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:38,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:38,414 INFO L85 PathProgramCache]: Analyzing trace with hash -717757037, now seen corresponding path program 1 times [2022-10-16 15:20:38,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:38,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241309530] [2022-10-16 15:20:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:38,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:38,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:38,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241309530] [2022-10-16 15:20:38,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241309530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:38,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:38,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:38,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357565707] [2022-10-16 15:20:38,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:38,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:38,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:38,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:38,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:38,583 INFO L87 Difference]: Start difference. First operand 10385 states and 17299 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:39,602 INFO L93 Difference]: Finished difference Result 30445 states and 50803 transitions. [2022-10-16 15:20:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:39,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:20:39,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:39,660 INFO L225 Difference]: With dead ends: 30445 [2022-10-16 15:20:39,660 INFO L226 Difference]: Without dead ends: 20127 [2022-10-16 15:20:39,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:39,679 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 193 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:39,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 679 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20127 states. [2022-10-16 15:20:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20127 to 20081. [2022-10-16 15:20:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20081 states, 20035 states have (on average 1.6708260544047917) internal successors, (33475), 20080 states have internal predecessors, (33475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20081 states to 20081 states and 33475 transitions. [2022-10-16 15:20:40,813 INFO L78 Accepts]: Start accepts. Automaton has 20081 states and 33475 transitions. Word has length 105 [2022-10-16 15:20:40,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:40,814 INFO L495 AbstractCegarLoop]: Abstraction has 20081 states and 33475 transitions. [2022-10-16 15:20:40,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 20081 states and 33475 transitions. [2022-10-16 15:20:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:20:40,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:40,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:40,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:20:40,816 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:40,817 INFO L85 PathProgramCache]: Analyzing trace with hash 601796408, now seen corresponding path program 1 times [2022-10-16 15:20:40,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:40,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179548828] [2022-10-16 15:20:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:40,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:41,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:41,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179548828] [2022-10-16 15:20:41,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179548828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:41,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:41,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:20:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905959289] [2022-10-16 15:20:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:41,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:20:41,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:41,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:20:41,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:20:41,028 INFO L87 Difference]: Start difference. First operand 20081 states and 33475 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:42,735 INFO L93 Difference]: Finished difference Result 26851 states and 44611 transitions. [2022-10-16 15:20:42,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:20:42,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 15:20:42,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:42,815 INFO L225 Difference]: With dead ends: 26851 [2022-10-16 15:20:42,816 INFO L226 Difference]: Without dead ends: 26848 [2022-10-16 15:20:42,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:20:42,828 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 2081 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:42,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 604 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:20:42,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26848 states. [2022-10-16 15:20:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26848 to 26737. [2022-10-16 15:20:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26737 states, 26691 states have (on average 1.657000487055562) internal successors, (44227), 26736 states have internal predecessors, (44227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26737 states to 26737 states and 44227 transitions. [2022-10-16 15:20:44,465 INFO L78 Accepts]: Start accepts. Automaton has 26737 states and 44227 transitions. Word has length 106 [2022-10-16 15:20:44,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:44,466 INFO L495 AbstractCegarLoop]: Abstraction has 26737 states and 44227 transitions. [2022-10-16 15:20:44,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 26737 states and 44227 transitions. [2022-10-16 15:20:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:20:44,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:44,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:44,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:20:44,469 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:44,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:44,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1475820163, now seen corresponding path program 1 times [2022-10-16 15:20:44,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:44,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22086708] [2022-10-16 15:20:44,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:44,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:44,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22086708] [2022-10-16 15:20:44,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22086708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:44,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:44,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:20:44,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244794883] [2022-10-16 15:20:44,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:44,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:20:44,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:44,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:20:44,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:44,728 INFO L87 Difference]: Start difference. First operand 26737 states and 44227 transitions. Second operand has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:46,641 INFO L93 Difference]: Finished difference Result 40213 states and 66307 transitions. [2022-10-16 15:20:46,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 15:20:46,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 15:20:46,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:46,752 INFO L225 Difference]: With dead ends: 40213 [2022-10-16 15:20:46,752 INFO L226 Difference]: Without dead ends: 40210 [2022-10-16 15:20:46,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:20:46,765 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 2930 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:46,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 919 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:20:46,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40210 states. [2022-10-16 15:20:48,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40210 to 30065. [2022-10-16 15:20:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30065 states, 30019 states have (on average 1.6443918851394117) internal successors, (49363), 30064 states have internal predecessors, (49363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30065 states to 30065 states and 49363 transitions. [2022-10-16 15:20:48,395 INFO L78 Accepts]: Start accepts. Automaton has 30065 states and 49363 transitions. Word has length 107 [2022-10-16 15:20:48,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:48,396 INFO L495 AbstractCegarLoop]: Abstraction has 30065 states and 49363 transitions. [2022-10-16 15:20:48,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30065 states and 49363 transitions. [2022-10-16 15:20:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:20:48,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:48,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:48,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:20:48,399 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:48,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:48,400 INFO L85 PathProgramCache]: Analyzing trace with hash -810094891, now seen corresponding path program 1 times [2022-10-16 15:20:48,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:48,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431008665] [2022-10-16 15:20:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:48,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:48,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431008665] [2022-10-16 15:20:48,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431008665] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:48,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:48,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:20:48,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121641608] [2022-10-16 15:20:48,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:48,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:20:48,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:48,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:20:48,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:48,530 INFO L87 Difference]: Start difference. First operand 30065 states and 49363 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:50,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:50,935 INFO L93 Difference]: Finished difference Result 88333 states and 145075 transitions. [2022-10-16 15:20:50,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:20:50,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 15:20:50,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:51,087 INFO L225 Difference]: With dead ends: 88333 [2022-10-16 15:20:51,087 INFO L226 Difference]: Without dead ends: 58335 [2022-10-16 15:20:51,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:20:51,129 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 189 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:51,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 678 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:20:51,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58335 states. [2022-10-16 15:20:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58335 to 58289. [2022-10-16 15:20:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58289 states, 58243 states have (on average 1.6395274968665763) internal successors, (95491), 58288 states have internal predecessors, (95491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58289 states to 58289 states and 95491 transitions. [2022-10-16 15:20:54,074 INFO L78 Accepts]: Start accepts. Automaton has 58289 states and 95491 transitions. Word has length 107 [2022-10-16 15:20:54,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:20:54,074 INFO L495 AbstractCegarLoop]: Abstraction has 58289 states and 95491 transitions. [2022-10-16 15:20:54,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 58289 states and 95491 transitions. [2022-10-16 15:20:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:20:54,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:20:54,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:20:54,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:20:54,077 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:20:54,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:20:54,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1494214502, now seen corresponding path program 1 times [2022-10-16 15:20:54,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:20:54,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878835625] [2022-10-16 15:20:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:20:54,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:20:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:20:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:20:54,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:20:54,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878835625] [2022-10-16 15:20:54,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878835625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:20:54,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:20:54,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:20:54,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881832796] [2022-10-16 15:20:54,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:20:54,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 15:20:54,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:20:54,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 15:20:54,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:20:54,552 INFO L87 Difference]: Start difference. First operand 58289 states and 95491 transitions. Second operand has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:20:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:20:57,903 INFO L93 Difference]: Finished difference Result 77826 states and 126979 transitions. [2022-10-16 15:20:57,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 15:20:57,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:20:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:20:58,059 INFO L225 Difference]: With dead ends: 77826 [2022-10-16 15:20:58,059 INFO L226 Difference]: Without dead ends: 77823 [2022-10-16 15:20:58,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 15:20:58,082 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 2992 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:20:58,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 770 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:20:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77823 states. [2022-10-16 15:21:01,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77823 to 77681. [2022-10-16 15:21:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77681 states, 77635 states have (on average 1.6232240613125524) internal successors, (126019), 77680 states have internal predecessors, (126019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77681 states to 77681 states and 126019 transitions. [2022-10-16 15:21:01,779 INFO L78 Accepts]: Start accepts. Automaton has 77681 states and 126019 transitions. Word has length 108 [2022-10-16 15:21:01,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:01,779 INFO L495 AbstractCegarLoop]: Abstraction has 77681 states and 126019 transitions. [2022-10-16 15:21:01,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 77681 states and 126019 transitions. [2022-10-16 15:21:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:21:01,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:01,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:01,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:21:01,781 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:21:01,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash 923991397, now seen corresponding path program 1 times [2022-10-16 15:21:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:01,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782838654] [2022-10-16 15:21:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:02,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:02,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782838654] [2022-10-16 15:21:02,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782838654] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:02,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:02,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:21:02,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61906436] [2022-10-16 15:21:02,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:02,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:21:02,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:02,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:21:02,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:21:02,273 INFO L87 Difference]: Start difference. First operand 77681 states and 126019 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:06,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:06,842 INFO L93 Difference]: Finished difference Result 110178 states and 178883 transitions. [2022-10-16 15:21:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 15:21:06,843 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:21:06,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:07,052 INFO L225 Difference]: With dead ends: 110178 [2022-10-16 15:21:07,053 INFO L226 Difference]: Without dead ends: 110175 [2022-10-16 15:21:07,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:21:07,085 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 3897 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:07,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 1111 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:21:07,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110175 states. [2022-10-16 15:21:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110175 to 84145. [2022-10-16 15:21:10,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84145 states, 84099 states have (on average 1.6118503192665787) internal successors, (135555), 84144 states have internal predecessors, (135555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84145 states to 84145 states and 135555 transitions. [2022-10-16 15:21:11,134 INFO L78 Accepts]: Start accepts. Automaton has 84145 states and 135555 transitions. Word has length 109 [2022-10-16 15:21:11,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:11,134 INFO L495 AbstractCegarLoop]: Abstraction has 84145 states and 135555 transitions. [2022-10-16 15:21:11,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 84145 states and 135555 transitions. [2022-10-16 15:21:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:21:11,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:11,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:11,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:21:11,138 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:21:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1722546153, now seen corresponding path program 1 times [2022-10-16 15:21:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:11,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639844463] [2022-10-16 15:21:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:11,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:11,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639844463] [2022-10-16 15:21:11,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639844463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:11,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:11,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:21:11,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167295089] [2022-10-16 15:21:11,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:11,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:21:11,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:11,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:21:11,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:11,245 INFO L87 Difference]: Start difference. First operand 84145 states and 135555 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:17,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:17,737 INFO L93 Difference]: Finished difference Result 247309 states and 398211 transitions. [2022-10-16 15:21:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:21:17,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:21:17,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:18,178 INFO L225 Difference]: With dead ends: 247309 [2022-10-16 15:21:18,179 INFO L226 Difference]: Without dead ends: 163231 [2022-10-16 15:21:18,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:21:18,264 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 185 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:18,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 677 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:21:18,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163231 states. [2022-10-16 15:21:25,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163231 to 163185. [2022-10-16 15:21:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163185 states, 163139 states have (on average 1.6053242940069512) internal successors, (261891), 163184 states have internal predecessors, (261891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163185 states to 163185 states and 261891 transitions. [2022-10-16 15:21:26,489 INFO L78 Accepts]: Start accepts. Automaton has 163185 states and 261891 transitions. Word has length 109 [2022-10-16 15:21:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:26,489 INFO L495 AbstractCegarLoop]: Abstraction has 163185 states and 261891 transitions. [2022-10-16 15:21:26,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 163185 states and 261891 transitions. [2022-10-16 15:21:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:21:26,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:26,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:26,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:21:26,492 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:21:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1421037060, now seen corresponding path program 1 times [2022-10-16 15:21:26,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:26,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310471562] [2022-10-16 15:21:26,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:26,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:26,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310471562] [2022-10-16 15:21:26,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310471562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:26,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:26,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 15:21:26,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085658706] [2022-10-16 15:21:26,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:26,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:21:26,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:26,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:21:26,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:21:26,713 INFO L87 Difference]: Start difference. First operand 163185 states and 261891 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:35,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:21:35,733 INFO L93 Difference]: Finished difference Result 213534 states and 340739 transitions. [2022-10-16 15:21:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 15:21:35,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 15:21:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:21:36,235 INFO L225 Difference]: With dead ends: 213534 [2022-10-16 15:21:36,235 INFO L226 Difference]: Without dead ends: 213531 [2022-10-16 15:21:36,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 15:21:36,288 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 3998 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:21:36,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3998 Valid, 950 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:21:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213531 states. [2022-10-16 15:21:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213531 to 213361. [2022-10-16 15:21:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213361 states, 213315 states have (on average 1.5865504066755738) internal successors, (338435), 213360 states have internal predecessors, (338435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213361 states to 213361 states and 338435 transitions. [2022-10-16 15:21:47,499 INFO L78 Accepts]: Start accepts. Automaton has 213361 states and 338435 transitions. Word has length 110 [2022-10-16 15:21:47,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:21:47,500 INFO L495 AbstractCegarLoop]: Abstraction has 213361 states and 338435 transitions. [2022-10-16 15:21:47,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:21:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 213361 states and 338435 transitions. [2022-10-16 15:21:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:21:47,501 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:21:47,501 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:21:47,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:21:47,501 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:21:47,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:21:47,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1102475193, now seen corresponding path program 1 times [2022-10-16 15:21:47,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:21:47,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095332142] [2022-10-16 15:21:47,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:21:47,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:21:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:21:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:21:47,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:21:47,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095332142] [2022-10-16 15:21:47,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095332142] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:21:47,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:21:47,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 15:21:47,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760072182] [2022-10-16 15:21:47,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:21:47,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 15:21:47,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:21:47,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 15:21:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:21:47,749 INFO L87 Difference]: Start difference. First operand 213361 states and 338435 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:00,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:00,018 INFO L93 Difference]: Finished difference Result 288809 states and 459779 transitions. [2022-10-16 15:22:00,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-16 15:22:00,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:22:00,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:00,701 INFO L225 Difference]: With dead ends: 288809 [2022-10-16 15:22:00,701 INFO L226 Difference]: Without dead ends: 288806 [2022-10-16 15:22:00,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2022-10-16 15:22:00,763 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 4274 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4274 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:00,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4274 Valid, 1410 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 15:22:00,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288806 states. [2022-10-16 15:22:12,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288806 to 225905. [2022-10-16 15:22:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225905 states, 225859 states have (on average 1.57635958717607) internal successors, (356035), 225904 states have internal predecessors, (356035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225905 states to 225905 states and 356035 transitions. [2022-10-16 15:22:13,826 INFO L78 Accepts]: Start accepts. Automaton has 225905 states and 356035 transitions. Word has length 111 [2022-10-16 15:22:13,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:22:13,826 INFO L495 AbstractCegarLoop]: Abstraction has 225905 states and 356035 transitions. [2022-10-16 15:22:13,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 225905 states and 356035 transitions. [2022-10-16 15:22:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:22:13,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:22:13,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:22:13,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:22:13,828 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:22:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:22:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1983827623, now seen corresponding path program 1 times [2022-10-16 15:22:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:22:13,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623000631] [2022-10-16 15:22:13,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:22:13,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:22:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:22:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:22:13,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:22:13,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623000631] [2022-10-16 15:22:13,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623000631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:22:13,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:22:13,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:22:13,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616425047] [2022-10-16 15:22:13,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:22:13,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:22:13,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:22:13,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:22:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:13,929 INFO L87 Difference]: Start difference. First operand 225905 states and 356035 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:22:33,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:22:33,286 INFO L93 Difference]: Finished difference Result 663757 states and 1044931 transitions. [2022-10-16 15:22:33,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:22:33,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-16 15:22:33,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:22:34,179 INFO L225 Difference]: With dead ends: 663757 [2022-10-16 15:22:34,179 INFO L226 Difference]: Without dead ends: 437919 [2022-10-16 15:22:34,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:22:34,441 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 181 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:22:34,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 676 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:22:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437919 states.